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Microsoft Security Response CenterCVE-2026-1502

HTTP client proxy tunnel headers not validated for CR/LF

Mariner

Read the vendor bulletin Get alerts for cbl2 python3 3.9.19-19 on CBL Mariner
MediumCVSS not listedMedium severity
Scope

What the vendor says is affected

  • cbl2 python3 3.9.19-19 on CBL Mariner 2.0
  • azl3 python3 3.12.9-10 on Azure Linux 3.0
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-1502View CVSS, KEV, EPSS, and threat context
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